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find area of cirle 3.9cm

How could I find all the possible radii of a sector a cirle with a perimeter of 12 cm and area of 8 cm^2?
1. 2 answers
2. asked by Jaslyn
3. 736 views
find area of cirle 3.9cm radius to nearest tenth?a=pie 3.14 x r squared 3.14 x 3.9(15.21) 3.14 x15.21 =47.75 nearest tenth
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2. asked by joshuah
3. 914 views
a classroom activity that requires children to find their name cards at cirle time or on the daily duties chart affords an
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2. asked by Anonymous
3. 439 views
what is a radius of a cirle that has a circumfrience of 7850
1. 1 answer
2. asked by tbrhjtghytkgtkrey67mufhdoykul75ti7fpoykhty7u68i7
3. 46 views
what is the formula for finding the circunference of a cirle if you know the diameter of that circle
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2. asked by cecrett
3. 470 views
An arc of a cirle measure 30°.if the radius is 5cm,what is the length of the arc? Give the solution.
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2. asked by rhachelle cortez
3. 799 views
Consider the normal curve. (Give your answers correct to four decimal places.)(a) Find the area to the right of z = 0.00. (b)
1. 1 answer
2. asked by Ayden
3. 1,323 views
the circumference of a cirle is pi meter. how long is the side of the largest square that can be cut from the circle
1. 1 answer
2. asked by Ken
3. 898 views
if you construct a circumscibed cirle around a triangle, what does the intersection of the perpendicular bisectors create?
1. 1 answer
2. 34 views
Given Cicle PQT is parallel to RS Prove QR is congruent to TS diagram looks like a cirle with P vertex and a triangle sidewise
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2. asked by kourtney
3. 596 views